For the big board, I'll use the WS2811 leds (Neopixel)
I've made holes is a carton box and put the leds in there. :)
This was more easy to develop the code. I'll test the brightness soon.
The board must be visible during summer days as well ;)
Nice! I think if you use black background, that increases the contrast in bright daylight.
Don't know how the wiring looks now, but if it's one strip, injecting power from multiple points can increase the light output.
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